Other Current Assets and Other Long-Term Assets - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Collaborative Arrangement, Collaboration Receivable	$ 65,000	$ 0
Prepaid expenses	9,802	8,158
Deposits and other receivables	4,659	3,075
Interest receivable	2,123	2,304
Other current assets	$ 81,584	$ 13,537

Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	debit
Period Type:	instant